package rjgc.mall.controller;

import com.alibaba.fastjson.JSONObject;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.alipay.api.response.AlipayTradeRefundResponse;
import com.alipay.easysdk.factory.Factory;
import com.alipay.easysdk.payment.page.models.AlipayTradePagePayResponse;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import org.apache.commons.lang.time.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import rjgc.mall.config.AliPayConfig;
import rjgc.mall.controller.dto.AliPay;
import rjgc.mall.entity.vo.expense;
import rjgc.mall.mapper.ExpenseMapper;
import rjgc.mall.mapper.TradeActionMapper;


import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;



import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.time.LocalDateTime;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;



//import com.alipay.easysdk.factory.Factory;
//import com.alipay.easysdk.payment.page.models.AlipayTradePagePayResponse;
//import com.example.springboot.controller.dto.AliPay;
//import org.springframework.web.bind.annotation.GetMapping;
//import org.springframework.web.bind.annotation.RequestMapping;
//import org.springframework.web.bind.annotation.RestController;
//import java.net.URLEncoder;


@RestController
@RequestMapping("/alipay")
public class AliPayController {
    @Autowired
    private ExpenseMapper expenseMapper;
    private static final String GATEWAY_URL = "https://openapi-sandbox.dl.alipaydev.com/gateway.do";
    private static final String FORMAT = "JSON";
    private static final String CHARSET = "UTF-8";
    //签名方式
    private static final String SIGN_TYPE = "RSA2";

    @Autowired
    TradeActionMapper tradeActionMapper;
    @Resource
    private AliPayConfig aliPayConfig;

    @GetMapping("/pay") // 前端路径参数格式?subject=xxx&traceNo=xxx&totalAmount=xxx
    public void pay(AliPay aliPay, HttpServletResponse httpResponse) throws Exception {
        AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, aliPayConfig.getAppId(),
                aliPayConfig.getAppPrivateKey(), FORMAT, CHARSET, aliPayConfig.getAlipayPublicKey(), SIGN_TYPE);
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
        request.setNotifyUrl(aliPayConfig.getNotifyUrl());
//        request.setReturnUrl(aliPayConfig.getReturnUrl());
        request.setBizContent("{\"out_trade_no\":\"" + aliPay.getTraceNo() + "\","
                + "\"total_amount\":\"" + aliPay.getTotalAmount() + "\","
                + "\"subject\":\"" + aliPay.getSubject() + "\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        String form = "";
        try {
            // 调用SDK生成表单
            form = alipayClient.pageExecute(request).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        httpResponse.setContentType("text/html;charset=" + CHARSET);
        // 直接将完整的表单html输出到页面
        httpResponse.getWriter().write(form);
        httpResponse.getWriter().flush();
        httpResponse.getWriter().close();
    }


    @PostMapping("/notify")  // 注意这里必须是POST接口
    public String payNotify(HttpServletRequest request) throws Exception {
        if (request.getParameter("trade_status").equals("TRADE_SUCCESS")) {
            System.out.println("=========支付宝异步回调========");

            Map<String, String> params = new HashMap<>();
            Map<String, String[]> requestParams = request.getParameterMap();
            for (String name : requestParams.keySet()) {
                params.put(name, request.getParameter(name));
                // System.out.println(name + " = " + request.getParameter(name));
            }

            String tradeNo = params.get("out_trade_no");
            String gmtPayment = params.get("gmt_payment");
            String alipayTradeNo = params.get("trade_no");
            // 支付宝验签
            if (Factory.Payment.Common().verifyNotify(params)) {
                // 验签通过
                System.out.println("交易名称: " + params.get("subject"));
                System.out.println("交易状态: " + params.get("trade_status"));
                System.out.println("支付宝交易凭证号: " + params.get("trade_no"));
                System.out.println("商户订单号: " + params.get("out_trade_no"));
                System.out.println("交易金额: " + params.get("total_amount"));
                System.out.println("买家在支付宝唯一id: " + params.get("buyer_id"));
                System.out.println("买家付款时间: " + params.get("gmt_payment"));
                System.out.println("买家付款金额: " + params.get("buyer_pay_amount"));

//             expense exp=expenseMapper.selectById(tradeNo);
//             exp.setHstatue(2);
//             expenseMapper.updateById(exp);

            }
        }
        return "success";
    }
//    @GetMapping("/return")
//    public String returnPay(AliPay aliPay) throws AlipayApiException {
//
//        // 1. 创建Client，通用SDK提供的Client，负责调用支付宝的API
//        AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL,
//                aliPayConfig.getAppId(), aliPayConfig.getAppPrivateKey(), FORMAT, CHARSET,
//                aliPayConfig.getAlipayPublicKey(), SIGN_TYPE);
//        // 2. 创建 Request，设置参数
//        AlipayTradeRefundRequest request = new AlipayTradeRefundRequest();
//        JSONObject bizContent = new JSONObject();
//        bizContent.put("trade_no", aliPay.getAlipayTraceNo());  // 支付宝回调的订单流水号
//        bizContent.put("refund_amount", aliPay.getTotalAmount());  // 订单的总金额
//        bizContent.put("out_request_no", aliPay.getTraceNo());   //  我的订单id
//
//
//        // 返回参数选项，按需传入
//        //JSONArray queryOptions = new JSONArray();
//        //queryOptions.add("refund_detail_item_list");
//        //bizContent.put("query_options", queryOptions);
//
//        request.setBizContent(bizContent.toString());
//
//        // 3. 执行请求
//        AlipayTradeRefundResponse response = alipayClient.execute(request);
//        if (response.isSuccess()) {  // 退款成功，isSuccess 为true
//            System.out.println("调用成功");
//
//            // 4. 更新数据库状态
//            //tradeActionMapper.theMoneyWasReturned(Integer.valueOf(aliPay.getTraceNo()));
//            tradeActionMapper.refundByTradeNo(aliPay.getTraceNo());
//            return "退款成功";
//        } else {   // 退款失败，isSuccess 为false
//            System.out.println(response.getBody());
//            return "退款失败";
//        }
//
//    }

}
